1020140519 has 2 divisors, whose sum is σ = 1020140520. Its totient is φ = 1020140518.

The previous prime is 1020140507. The next prime is 1020140521. The reversal of 1020140519 is 9150410201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1020140519 - 2²⁴ = 1003363303 is a prime.

It is a super-2 number, since 2×1020140519² = 2081373357011178722, which contains 22 as substring.

Together with 1020140521, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020140494 and 1020140503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020140549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510070259 + 510070260.

It is an arithmetic number, because the mean of its divisors is an integer number (510070260).

Almost surely, 2^1020140519 is an apocalyptic number.

1020140519 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020140519 is an equidigital number, since it uses as much as digits as its factorization.

1020140519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 1020140519 is about 31939.6386798599. The cubic root of 1020140519 is about 1006.6689328024.

The spelling of 1020140519 in words is "one billion, twenty million, one hundred forty thousand, five hundred nineteen".